Frame
From The Glossary of Digital Photography
Refers, as a noun, to the image itself, as in 'one frame of a series.' Used as a verb, frame refers to the process of composing an image, as in 'frame it in the viewfinder.'

ONLINE GLOSSARY OF DIGITAL PHOTOGRAPY
Refers, as a noun, to the image itself, as in 'one frame of a series.' Used as a verb, frame refers to the process of composing an image, as in 'frame it in the viewfinder.'